<template>
  <div>
    <TypeNav />
    <div class="main">
      <div class="py-container">
        <!--面包屑导航-->
        <div class="bread">
          <ul class="fl sui-breadcrumb">
            <li>
              <a href="#">全部结果</a>
            </li>
          </ul>
          <ul class="fl sui-tag">
            <!-- 分类 -->
            <li class="with-x" v-if="searchParams.categoryName">
              {{ searchParams.categoryName
              }}<i @click="removeCategoryName">×</i>
            </li>
            <!-- 关键字 -->
            <li class="with-x" v-if="searchParams.keyword">
              {{ searchParams.keyword }}<i @click="removeKeyword">×</i>
            </li>
            <!-- 品牌 -->
            <li class="with-x" v-if="searchParams.trademark">
              {{ searchParams.trademark.split(":")[1]
              }}<i @click="removeTrademark">×</i>
            </li>
            <!-- 解决v-for与v-if不能同时使用的问题 -->
            <!-- 属性 -->
            <!-- <span v-if="searchParams.props[0]"> -->
            <li
              class="with-x"
              v-for="(item, index) in searchParams.props"
              :key="index"
            >
              {{ item.split(":")[1] }}<i @click="removeProps(item)">×</i>
            </li>
            <!-- </span> -->
          </ul>
        </div>

        <!--筛选列表-->
        <SearchSelector @brandName="brandName" @attrValue="attrValue" />

        <!-- 展示列表 -->
        <div class="details clearfix">
          <div class="sui-navbar">
            <!--排序-->
            <div class="navbar-inner filter">
              <ul class="sui-nav">
                <li :class="{ active: isOne }" @click="changeOneState">
                  <!-- <a>综合<span v-show="isOne&&isDesc">↓</span><span v-show="isOne&&isAsc">↑</span></a> -->
                  <a
                    >综合<span
                      v-show="isOne"
                      class="iconfont"
                      :class="{ 'icon-up': isAsc, 'icon-down': isDesc }"
                    ></span
                  ></a>
                </li>
                <li :class="{ active: isTwo }" @click="changeTwoState">
                  <!-- <a>价格<span v-show="isTwo&&isDesc">↓</span><span v-show="isTwo&&isAsc">↑</span></a> -->
                  <a
                    >价格<span
                      v-show="isTwo"
                      class="iconfont"
                      :class="{ 'icon-up': isAsc, 'icon-down': isDesc }"
                    ></span
                  ></a>
                </li>
              </ul>
            </div>
          </div>
          <!-- 商品列表 -->
          <div class="goods-list">
            <ul class="yui3-g">
              <li class="yui3-u-1-5" v-for="item in goodsList" :key="item.id">
                <div class="list-wrap">
                  <div class="p-img">
                    <!-- 点击跳转商品详情页,用了vue-lazyload图片懒加载插件 -->
                    <router-link :to="`/detail/${item.id}`">
                      <!-- 原来的 -->
                      <!-- <img :src="item.defaultImg"/> -->
                      <!-- 懒加载 -->
                      <img v-lazy="item.defaultImg" />
                    </router-link>
                  </div>
                  <div class="price">
                    <strong>
                      <em>¥ </em>
                      <i>{{ item.price }}</i>
                    </strong>
                  </div>
                  <div class="attr">
                    <a
                      target="_blank"
                      href="item.html"
                      title="促销信息，下单即赠送三个月CIBN视频会员卡！【小米电视新品4A 58 火爆预约中】"
                      >{{ item.title }}</a
                    >
                  </div>
                  <div class="commit">
                    <i class="command">已有<span>2000</span>人评价</i>
                  </div>
                  <div class="operate">
                    <a
                      href="success-cart.html"
                      target="_blank"
                      class="sui-btn btn-bordered btn-danger"
                      >加入购物车</a
                    >
                    <a href="javascript:void(0);" class="sui-btn btn-bordered"
                      >收藏</a
                    >
                  </div>
                </div>
              </li>
            </ul>
          </div>
          <!-- 分页器全局组件 -->
          <Pagination
            :total="total"
            :pageNo="searchParams.pageNo"
            :pageSize="searchParams.pageSize"
            :continues="5"
            @getPageNo="getPageNo"
          />
        </div>
      </div>
    </div>
  </div>
</template>

<script>
import SearchSelector from "./SearchSelector/SearchSelector";
import { mapGetters, mapState } from "vuex";
export default {
  name: "Search",
  components: { SearchSelector },
  data() {
    return {
      searchParams: {
        category1Id: "",
        category2Id: "",
        category3Id: "",
        categoryName: "",
        keyword: "",
        // order: "1:desc",
        // 排序--默认综合降序
        order: "1:desc",
        pageNo: 1,
        pageSize: 3,
        props: [],
        trademark: "",
      },
      // 控制综合状态的改变
      oneState: true,
      // 控制价格状态的改变
      twoState: true,
    };
  },
  watch: {
    //当路径发生变化时（搜索其他商品），再次发送请求
    $route() {
      Object.assign(this.searchParams, this.$route.query, this.$route.params);
      this.getData();
      // console.log(this.searchParams);

      // 请求之后把id置空，接收下一次的id
      this.searchParams.category1Id = undefined;
      this.searchParams.category2Id = undefined;
      this.searchParams.category3Id = undefined;
    },
  },
  beforeMount() {
    // 合并参数
    Object.assign(this.searchParams, this.$route.query, this.$route.params);
  },
  mounted() {
    this.getData();
  },
  computed: {
    ...mapGetters(["goodsList"]),
    // 综合、价格加active类名
    // 综合
    isOne() {
      return this.searchParams.order.indexOf("1") != -1;
    },
    // 价格
    isTwo() {
      return this.searchParams.order.indexOf("2") != -1;
    },
    // 升序
    isAsc() {
      return this.searchParams.order.indexOf("asc") != -1;
    },
    // 降序
    isDesc() {
      return this.searchParams.order.indexOf("desc") != -1;
    },
    ...mapState({
      total: (state) => state.search.searchInfo.total,
    }),
  },
  methods: {
    // 封装发送请求
    getData() {
      this.$store.dispatch("searchInfo", this.searchParams);
    },
    // 删除分类名字--categoryName
    removeCategoryName() {
      // 重置参数
      this.searchParams.categoryName = undefined;
      this.searchParams.category1Id = undefined;
      this.searchParams.category2Id = undefined;
      this.searchParams.category3Id = undefined;
      // 重新获取数据
      this.getData();
      // console.log(this.$route);
      // 进行路由跳转，使 url路径正确（删除query参数）
      this.$router.push({
        name: "search",
        // params参数不能删除
        params: this.$route.params,
      });
    },
    // 删除分类名字--keyword
    removeKeyword() {
      // 重置参数
      this.searchParams.keyword = undefined;
      // 重新发送请求
      this.getData();
      // 路由跳转，更正URL路径
      this.$router.push({
        name: "search",
        query: this.$route.query,
      });
      // 清空搜索输入框
      this.$bus.$emit("clearSearchInput");
    },
    // 自定义事件：传递品牌信息
    brandName(item) {
      // 制造请求参数要求格式
      this.searchParams.trademark = item.tmId + ":" + item.tmName;
      // console.log(this.searchParams.trademark);
      // 重新发送请求
      this.getData();
    },
    // 删除品牌标签
    removeTrademark() {
      // 重置参数
      this.searchParams.trademark = undefined;
      // 重新发送请求
      this.getData();
    },
    // 自定义事件：传递属性信息
    attrValue(item1, item2) {
      // 制造props请求参数要求格式
      let attrs = `${item1.attrId}:${item2}:${item1.attrName}`;
      // 数组去重，防止重复点击属性值仍然添加
      if (this.searchParams.props.indexOf(attrs) === -1) {
        // 将格式添加到props数组中
        this.searchParams.props.push(attrs);
        // console.log(this.searchParams.props);
        // 重新发送请求
        this.getData();
      }
    },
    // 删除属性信息
    removeProps(item) {
      this.searchParams.props.forEach((it, i) => {
        // 删除所选中的属性
        if (it === item) this.searchParams.props.splice(i, 1);
      });
      // 重新获取数据
      this.getData();
    },
    // 改变综合状态
    changeOneState() {
      if (this.oneState) {
        this.searchParams.order = "1:asc";
        this.oneState = false;
      } else {
        this.searchParams.order = "1:desc";
        this.oneState = true;
      }

      this.getData();
    },
    // 改变价格状态
    changeTwoState() {
      if (this.twoState) {
        this.searchParams.order = "2:desc";
        this.twoState = false;
      } else {
        this.searchParams.order = "2:asc";
        this.twoState = true;
      }
      this.getData();
    },
    // 获得改变的当前页码值
    getPageNo(pageNo) {
      // console.log(pageNo);
      // 修改参数并重新获取数据
      this.searchParams.pageNo = pageNo;
      this.getData();
    },
  },
};
</script>

<style lang="less" scoped>
// 阿里图标字体库
.iconfont {
  font-size: 12px;
  font-weight: bloder !important;
}
.main {
  margin: 10px 0;

  .py-container {
    width: 1200px;
    margin: 0 auto;

    .bread {
      margin-bottom: 5px;
      overflow: hidden;

      .sui-breadcrumb {
        padding: 3px 15px;
        margin: 0;
        font-weight: 400;
        border-radius: 3px;
        float: left;

        li {
          display: inline-block;
          line-height: 18px;

          a {
            color: #666;
            text-decoration: none;

            &:hover {
              color: #4cb9fc;
            }
          }
        }
      }

      .sui-tag {
        margin-top: -5px;
        list-style: none;
        font-size: 0;
        line-height: 0;
        padding: 5px 0 0;
        margin-bottom: 18px;
        float: left;

        .with-x {
          font-size: 12px;
          margin: 0 5px 5px 0;
          display: inline-block;
          overflow: hidden;
          color: #000;
          background: #f7f7f7;
          padding: 0 7px;
          height: 20px;
          line-height: 20px;
          border: 1px solid #dedede;
          white-space: nowrap;
          transition: color 400ms;
          cursor: pointer;

          i {
            margin-left: 10px;
            cursor: pointer;
            font: 400 14px tahoma;
            display: inline-block;
            height: 100%;
            vertical-align: middle;
          }

          &:hover {
            color: #28a3ef;
          }
        }
      }
    }

    .details {
      margin-bottom: 5px;

      .sui-navbar {
        overflow: visible;
        margin-bottom: 0;

        .filter {
          min-height: 40px;
          padding-right: 20px;
          background: #fbfbfb;
          border: 1px solid #e2e2e2;
          padding-left: 0;
          border-radius: 0;
          box-shadow: 0 1px 4px rgba(0, 0, 0, 0.065);

          .sui-nav {
            position: relative;
            left: 0;
            display: block;
            float: left;
            margin: 0 10px 0 0;

            li {
              float: left;
              line-height: 18px;

              a {
                display: block;
                cursor: pointer;
                padding: 11px 15px;
                color: #777;
                text-decoration: none;
              }

              &.active {
                a {
                  background: #e1251b;
                  color: #fff;
                }
              }
            }
          }
        }
      }

      .goods-list {
        margin: 20px 0;

        ul {
          display: flex;
          flex-wrap: wrap;

          li {
            height: 100%;
            width: 20%;
            margin-top: 10px;
            line-height: 28px;

            .list-wrap {
              .p-img {
                padding-left: 15px;
                width: 215px;
                height: 255px;

                a {
                  color: #666;

                  img {
                    max-width: 100%;
                    height: auto;
                    vertical-align: middle;
                  }
                }
              }

              .price {
                padding-left: 15px;
                font-size: 18px;
                color: #c81623;

                strong {
                  font-weight: 700;

                  i {
                    margin-left: -5px;
                  }
                }
              }

              .attr {
                padding-left: 15px;
                width: 85%;
                overflow: hidden;
                margin-bottom: 8px;
                min-height: 38px;
                cursor: pointer;
                line-height: 1.8;
                display: -webkit-box;
                -webkit-box-orient: vertical;
                -webkit-line-clamp: 2;

                a {
                  color: #333;
                  text-decoration: none;
                }
              }

              .commit {
                padding-left: 15px;
                height: 22px;
                font-size: 13px;
                color: #a7a7a7;

                span {
                  font-weight: 700;
                  color: #646fb0;
                }
              }

              .operate {
                padding: 12px 15px;

                .sui-btn {
                  display: inline-block;
                  padding: 2px 14px;
                  box-sizing: border-box;
                  margin-bottom: 0;
                  font-size: 12px;
                  line-height: 18px;
                  text-align: center;
                  vertical-align: middle;
                  cursor: pointer;
                  border-radius: 0;
                  background-color: transparent;
                  margin-right: 15px;
                }

                .btn-bordered {
                  min-width: 85px;
                  background-color: transparent;
                  border: 1px solid #8c8c8c;
                  color: #8c8c8c;

                  &:hover {
                    border: 1px solid #666;
                    color: #fff !important;
                    background-color: #666;
                    text-decoration: none;
                  }
                }

                .btn-danger {
                  border: 1px solid #e1251b;
                  color: #e1251b;

                  &:hover {
                    border: 1px solid #e1251b;
                    background-color: #e1251b;
                    color: white !important;
                    text-decoration: none;
                  }
                }
              }
            }
          }
        }
      }
    }
  }
}
</style>